What is glaucoma?

Glaucoma is an eye disease that damages the optic nerve, which carries images from the eye to the brain.

How is glaucoma treated?

Glaucoma is treated by lowering the pressure inside the eye with medication, laser therapy, surgery, or a combination of glaucoma treatments.

What is MIGS?

Minimally invasive glaucoma surgery (MIGS) uses microscopic equipment and tiny incisions to treat glaucoma.

Minimally invasive glaucoma procedures


The iStent is a tiny one millimetre tube implanted into the eye to lower eye pressure and reduce the need for eye drop medications.

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Hydrus Microstent

The Hydrus Microstent is a small flexible scaffold inserted into the natural drainage channel of the eye to lower eye pressure and reduce the need for eye drop medication.

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The Trabectome increases the natural drainage of fluid from the eye by removing a portion of the drain that can become blocked in glaucoma.

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XEN Gel Implant

The XEN Gel Implant is a very small flexible tube that creates a new pathway for fluid to drain from the eye, reducing eye pressure.

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CyPass Micro-Stent

The CyPass Micro-Stent is a very small tube that is implanted just below the surface of the eye, lowering eye pressure and reducing or eliminating the need for glaucoma medications.

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InnFocus Microshunt

The InnFocus Microshunt is an extremely small micro-tube that allows fluid to drain from the front part of the eye to a space under the skin of the eye.

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Other new glaucoma procedures

Endoscopic Cyclophotocoagulation

A laser procedure performed at the same time or after cataract surgery to lower eye pressure.

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MicroPulse Cyclophotocoagulation

A non-invasive laser treatment of the part of the eye that produces fluid. Designed to allow tissue to cool between pulses, minimising tissue damage.

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High Intensity Focused Ultrasound

Delivers high frequency ultrasound precisely to the part of the eye that produces fluid.

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Traditional operations

Aqueous shunt

An aqueous shunt is a small silicone tube that drains fluid from inside the eye to a small reservoir which sits next to the white part of the eye.

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Trabeculectomy is an operation to lower the pressure in the eye. It is performed by creating a small channel in the wall of the eye which is covered by a thin trap door flap.

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